US983442A - Bolt-anchor. - Google Patents

Description

D. H. HAYwoon.

BOLT ANCHOR. Arruonxou num mm1. mu.

Patented Feb. 7. 1911.

I lllllI-Illlu' l.

` Vi/Tisis:

. y mveuron a gmonnm D. H. HAYWUUD IOL! AIOIOI. Annan!" nu In. 1. lm.

PMM Fab. 7,1911.

a Inn-unf a.

1.51m 2 2EE.;iu

INVENTOR -ln use t the ndjiicent edges of the inner tubular iii-gy UN i'ini i i "orifice rit'rnivfr oiiieioic.l

DANN L iitifftli!) IKAYWOOD. OF NE\V YORK. N. Y.

BOLT-ANCHOR. y t. u 983,442. specification of Letters Patent. Patented Fein?. 1911.

mi," con ein: non. r. nini sono no. 1.041.

To vilt ir/iom it nifty reni-fro.' inni-casini; the dillicitlty of normally hold- Ihi it known that l,l.t\,-\;ii, lloitiiin ll.tr ing them together, mich its resulte where wooo, :i 'citizen of the United .States of .spring clips, retnining lube, und the like, nro America, und :i Aresident ot' New York, employed. county miti Stute of New' York, have in- .\ly invention also consists in certain devenu-il certain new und ii-.etiil linprovetails ot' construction und combinations of iuentii in holt-Anchors. ot' which the folparte nach mi will be fully pointed out tierelowing is u iipcciliriition, ret'ii'cncc being iiiiil'ler, and in ortlerthtit ui invention nitty had to thenceonipanying drawings, formbe thorou hly understood, will now proing a part thereof. ceed to tigescribe im embodiment. thereof,

My intention rcliites to iin irovciiit-nts in luningrcfcrenoe to the accolnpiinyiu driiwbolt anchors of the t pe enip oyed in coinbiniition with bolts or securing objects to point out the novel features in cliiiml. brirlt or tone walls or thc like, and Hpet'ilil ln tht' drawings: Fi ure l il In ele"- riilly to tluit cla-iot' bott anchor coiopi'ioing tioniil view in perspective of ii bolt liicbor :incx|uin iblehellhaving iin iiiuci' tapering constructed in accordance with my invenbore iidiiptcd to be expanded by the insertion. Fig. i. is ii view in central longitudition ot u bolt therein. V niil section thcretlirou h. Fig. 3 il l View My inwntion consists broadly in a eonin trimmerse section t ierethrough. Fig. 4 tinuous tubulin' slit-ll provided with one or is ii tlrtiiil fragmentary.perspective view 01 more linea ot' weakness, whereby tht` shell ii portion of one of the tubtihir segments beis ntltipted to be dicrupted by und upon, the fore the outer covering has been applied insertion of ii boltl therein, either b direct. thereto. ltig. 5 is n view in pttrtill central or indirect engagement therewit i. 'llie longitudinal section und tirtitil aide elevl.- shell may, if desired, be formed iis a contion of another forni o the bolt anchor. tinuous integral structure throughout, but. Fig. ti is im end view thereof. Fi 7 and it preferably comprises n continuous tubn- 8 are respectively centriil lon itutlihnlnd hir coverin f ineloriini.r u pliiriility of lou itrons't'eise sections of o furt ier inodilictitudiiudly ilivided tiibiiliir segments, t ie tion. Fig. 9 is n trnnsverse scctionll view raid covering being of ti softer metnl tlinn of u further .modification Fig. 10 il l tlittt timiloycd for the interior augmente. transverse sectional view o1' l further modiliis covering is intended to yield or liciition. to be disrupted upon lines coincident with Referring tiret to the structure shown in Figs. l to 4 inclusive the inner portion of the iiiichor comprises two tubular iiegiii'euttt l conveniently wenken the outer covering ltt-tl. i-iirli being ulotiintinlly semicyiit there mints. 'llw advantages ot noch ii lindririil and arranged in iibiittingrelction construction tire iiuiny,tirat, it improves along lines '12. while the 011m' portion win tht` iippciii'iince of the shells iis ii iiiiirketiiblil priere n continuous exterior! cylindricll commodity, the exterior having conveniently covering.r 13. The segmento 1 und 1l. ere the form of a true and continuous cylinder; preferebly made of ii relittiyely herd me'tll second it provides iin etlcieut means for and are provided upon their exterior'with holding the segments together thus doing projections It; interiorly the nid legmentl iiwiiy with the objectionable clips hands, iiijo longitudinally tapered iind'nre provided und the like commonly used for this piirwith lwrt-w-tlii'ciithi The exterior covpoect third` it is eiisv und inexpensive to erinl tti is preferiibl i ot ii reletively loft nuiiuitictnrc: fourth, it lends itself well. to nietii und in practice it 'nitty conveniently be ings illustrating the sume, and '.v l then nientii, and to permit this to occur rendi the ion.-.iiin.-t.ion ot the desirable forni of rust dircctLviipon the interior tubular regholt. nuclior coinpriititi iin inner and outer niente. I

shell ot' relatively hiirt und ilott inctiihi tlisln use the anchor is iliiceil in it hole in .e

closed sind broadly claimed in iin iippliciistone or brick wall ort ie like, and ti bolt il tion tiled by uie'on the fith Iluy of Jiiniuiry," inserted therein. the boltl iii gradually lttltt, und reriiillv numbered 5!l(i,-ti t; und screwed itito the itliell the tubitliir Segmente litth. it enables tlio inner shell to be coin- I will be forced apart, tho eorerinii being dilposed ot' more than two segments without i'tiptod tilting the linesot union `titi-en the itis ee For some pur ri'ifiiienls. l'l' ilu iiietiil i sufficiently illic- Iile it inni' thm uiting Ilm-e lines to u eolisidvriihle extent. before it is liniilly disrupteil. ns will he well understood. As the shell l: is expended the project-ions 1 4 will be forced into iiitiiniite engagement with the wiilis of the hole, being in inuiiy eases caused to actually embed themselves therein, while the softer metal of the, portion 13 will be forced to llow to -an extent sucient to causo it to conform to tho configuration of the walls ol' the hole, whereh the anchor 'will he held securely and stes ily in place. I conveniently provide lines of weakness in i6 the outer covering along lines thereof in the plane or plum-s l2 so thiit the outer shell will be readily disrupted in uae, and this may he conveniently accomplished by providing the inner tubular segments 10, 1 1 with longitudinal ribs 16 s dJacent their uniting faces, the said ribs proiecting almost to the outer surface of the covering 13.

In Fi 5 and 6 I have shown a construction similar to that of Figs. 1 to 4 except 95 that the inner tubular segments are made as sheet metal staiiipings iniiteiid of castings. In auch case the ed Aes thereof may he turned outward as t 7 to forni the longitudinal ribs. In Figs. 'i' and' a stili further form is shown in which the tubular ilegments are not coinpletel divided but are united at the outer end o the shell as at 18. This is a common form of expsnsible anchor shell and is rendered practicable by reason 85 of the fact that the inner end of the shell is expanded with relation to the outer end, the M.,outei end being substantial] nonex ansible. It will of course be un erstood t iat in referring to the lo 40 bular segments is intended to include such a'eo'striiction :is is aliewii iu Fi 5 for innsiiee wherein the segments srecoiiipletely divi from end to end, as well ss auch e construction sa ia' es shown iii Fig. 7 in which the ente while divided upon the lon tndinal inea are not completeliy divided ut are united at the outer ot the shell as has inst been de- In Fig. 9 I have shown a cross sectional view o! a structure in which there are three tubular segments instead of two; it will, of course, be u iderstoodbe thatl eietiier two a:

aegmen may ein as ma ls desired, iind indeed my przent invenzion renders the use of more t an two segments more practicable than heretofore, because.

of the fact that it solves the problem of holding them normally togetheri cees t e ester or coverin might of a re ativeiy harder metal thiiii ipterior portion; in which case the-exterior portion would, of coursa,'be provided with @s ermore lilies 0 1 weahie along which it l5 4woiildlip readily disrupted, and in auch esse 't'idinsily divided tu the interior portion mightl either oontiniioiislv tubular or segmental. iis might he liesii'ed, and in Fig. lli i have shown auch .i structure in ein! view, the exterior relatively hiird metiil covering 19 being continiioiis hut To havin intemnl depressions .20 therein which form inca of weakness which nearly but not nite sever the outer covering, the in ner portion 21 ol' relatively soft metiil boing contiiiuously tubular. s 4

Whiit I claim is:

i. A bolt anchor comprising an interior tuh'uliiil segmental shell composed of a rel- :itivelyY hard metiil, and n continuous tubular covering therefor, composed of a relstively.8o soft metal. v

9. A bolt anchor comprising an interior shell com d of a plurality of longitudinally divided tubulin'- se ents, and a coninuous tubular expaiisi le covering thereas 3. A'bolt anchor comprising an interior shell composed of ii pluralit of longitudinally divided. relatively liar metal tubular ae ments, and s continuous tubular relative so t metal covering therefor.

4. A lioltanchor comprising an interior shell coin d ot' a plurality of longitudlnaily divided tubular segments and a continuous tuhular covering therefor, the said covering having lines of weakness coincident with the dividing lines ofthe segments.

.'i. A bolt anchor comprising an interior shell composed of a lurality of longitudinully divided relative y hard metal, tubular segments, and a continuous tubular i'elatively soft metnl coverii, therefor, the said covering havin lines o weakness coincident with the dividing lines of the segments.

6. A bolt anchor comprising an interior shell composed of a plurality of longitudinelly div ded tubular segments provided with exterior-nbs at their adio'lni ed and a continuons tiihnlar 7. A bolt anchor comprising an interior 11 shell com of a plurality of longitudinally divided tubular segments provided with exterior ribs at their adjoini edges and composed of s relatively ha metal, and a continuous tubular eoveringthei'efor 115 composed of a relatively soft metal.'

8. A bolt anchor comprising an interior Ptubular se ental shell com of-rel' s tively h a metal,and provi edwith exterior proieetions, and a continuous tubular 12C covering therefor, composed of relatively. soft metal. i

il; A bolt. unchor coin pegiicntelmhell en .i caes d iiir me ii iiivinv a ongitu inail ta rod 35 here, end provide with a cont-inubus ltitibu'- lar covering thercor'composed of a relatively soft metal.

rising a tubular of a relatively 10. bolt anchor comprising un interior expansiblc shell provided with exterior lon 13" mil ilvprcssiomr complementar to thu said l nitmlinnl ribs, nml n vnntimlmis uxtoviigri linvsuftlwsniililuprssiunsumntlwvx|m||- .-hell fitted thonto provuhil with longmnlh sum of tht- 51ml Inti-run' shvll n. HOWARD 11A' Ywoiiu.

ribs, the snitl ribs being of n might nlmoat l ahcll whereby the hlttu'i' said Ilwll is :uInplt-il y l". lt. (libwww, to longitudinally llnl'uptml along tlue- Il. S. .\.vnm:\\'s,J|'.

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